package com.yiyuan.common.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Iterator;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.util.PDFTextStripper;
import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hslf.model.Slide;
import org.apache.poi.hslf.model.TextRun;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hwpf.extractor.WordExtractor;
import org.apache.poi.ss.usermodel.Cell;

public class FileUtil {
    /**
     * 新建目录
     * 
     * @param folderPath
     *            String 如 c:/fqf
     * @return boolean
     */
    public static void newFolder(String folderPath) {
        try {
            String filePath = folderPath;
            filePath = filePath.toString();
            java.io.File myFilePath = new java.io.File(filePath);
            if (!myFilePath.exists()) {
                myFilePath.mkdir();
            }
        } catch (Exception e) {
            System.out.println("新建目录操作出错");
            e.printStackTrace();
        }
    }
    
    /**
     * 新建文件
     * 
     * @param filePathAndName
     *            String 文件路径及名称 如c:/fqf.txt
     * @param fileContent
     *            String 文件内容
     * @return boolean
     */
    public static void save(String filePathAndName, String fileContent) {
        
        try {
            String filePath = filePathAndName;
            filePath = filePath.toString();
            File myFilePath = new File(filePath);
            if (!myFilePath.exists()) {
                myFilePath.createNewFile();
            }
            FileWriter resultFile = new FileWriter(myFilePath);
            PrintWriter myFile = new PrintWriter(resultFile);
            String strContent = fileContent;
            myFile.println(strContent);
            resultFile.close();
            
        } catch (Exception e) {
            System.out.println("新建目录操作出错");
            e.printStackTrace();
            
        }
        
    }
    
    /**
     * 删除文件
     * 
     * @param filePathAndName
     *            String 文件路径及名称 如c:/fqf.txt
     * @param fileContent
     *            String
     * @return boolean
     */
    public static void delFile(String filePathAndName) {
        try {
            String filePath = filePathAndName;
            filePath = filePath.toString();
            java.io.File myDelFile = new java.io.File(filePath);
            myDelFile.delete();
            
        } catch (Exception e) {
            System.out.println("删除文件操作出错");
            e.printStackTrace();
            
        }
        
    }
    
    /**
     * 删除文件夹
     * 
     * @param filePathAndName
     *            String 文件夹路径及名称 如c:/fqf
     * @param fileContent
     *            String
     * @return boolean
     */
    public static void delFolder(String folderPath) {
        try {
            delAllFile(folderPath); // 删除完里面所有内容
            String filePath = folderPath;
            filePath = filePath.toString();
            java.io.File myFilePath = new java.io.File(filePath);
            myFilePath.delete(); // 删除空文件夹
            
        } catch (Exception e) {
            e.printStackTrace();
        }
        
    }
    
    /**
     * 删除文件夹里面的所有文件
     * 
     * @param path
     *            String 文件夹路径 如 c:/fqf
     */
    public static void delAllFile(String path) {
        File file = new File(path);
        if (!file.exists()) {
            return;
        }
        if (!file.isDirectory()) {
            return;
        }
        String[] tempList = file.list();
        File temp = null;
        for (int i = 0; i < tempList.length; i++) {
            if (path.endsWith(File.separator)) {
                temp = new File(path + tempList[i]);
            } else {
                temp = new File(path + File.separator + tempList[i]);
            }
            if (temp.isFile()) {
                temp.delete();
            }
            if (temp.isDirectory()) {
                delAllFile(path + "/" + tempList[i]);// 先删除文件夹里面的文件
                delFolder(path + "/" + tempList[i]);// 再删除空文件夹
            }
        }
    }
    
    /**
     * 复制单个文件
     * 
     * @param oldPath
     *            String 原文件路径 如：c:/fqf.txt
     * @param newPath
     *            String 复制后路径 如：f:/fqf.txt
     * @return boolean
     */
    public static void copyFile(String oldPath, String newPath) {
        try {
            int bytesum = 0;
            int byteread = 0;
            File oldfile = new File(oldPath);
            if (oldfile.exists()) { // 文件存在时
                InputStream inStream = new FileInputStream(oldPath); // 读入原文件
                FileOutputStream fs = new FileOutputStream(newPath);
                byte[] buffer = new byte[1444];
                while ((byteread = inStream.read(buffer)) != -1) {
                    bytesum += byteread; // 字节数 文件大小
                    System.out.println(bytesum);
                    fs.write(buffer, 0, byteread);
                }
                inStream.close();
            }
        } catch (Exception e) {
            System.out.println("复制单个文件操作出错");
            e.printStackTrace();
        }
    }
    
    /**
     * 复制整个文件夹内容
     * 
     * @param oldPath
     *            String 原文件路径 如：c:/fqf
     * @param newPath
     *            String 复制后路径 如：f:/fqf/ff
     * @return boolean
     */
    public static void copyFolder(String oldPath, String newPath) {
        
        try {
            (new File(newPath)).mkdirs(); // 如果文件夹不存在 则建立新文件夹
            File a = new File(oldPath);
            String[] file = a.list();
            File temp = null;
            for (int i = 0; i < file.length; i++) {
                if (oldPath.endsWith(File.separator)) {
                    temp = new File(oldPath + file[i]);
                } else {
                    temp = new File(oldPath + File.separator + file[i]);
                }
                if (temp.isFile()) {
                    FileInputStream input = new FileInputStream(temp);
                    FileOutputStream output = new FileOutputStream(newPath + "/" + (temp.getName()).toString());
                    byte[] b = new byte[1024 * 5];
                    int len;
                    while ((len = input.read(b)) != -1) {
                        output.write(b, 0, len);
                    }
                    output.flush();
                    output.close();
                    input.close();
                }
                if (temp.isDirectory()) {// 如果是子文件夹
                    copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    /**
     * 移动文件到指定目录
     * 
     * @param oldPath
     *            String 如：c:/fqf.txt
     * @param newPath
     *            String 如：d:/fqf.txt
     */
    public static void moveFile(String oldPath, String newPath) {
        copyFile(oldPath, newPath);
        delFile(oldPath);
    }
    
    /**
     * 移动文件到指定目录
     * 
     * @param oldPath
     *            String 如：c:/fqf.txt
     * @param newPath
     *            String 如：d:/fqf.txt
     */
    public static void moveFolder(String oldPath, String newPath) {
        copyFolder(oldPath, newPath);
        delFolder(oldPath);
        
    }
    
    // 获得word文件内容
    public static String getDOCContent(File f) throws IOException {
        InputStream is = new FileInputStream(f);
        WordExtractor ex = new WordExtractor(is);
        is.close();
        return ex.getText();
    }
    
    // 获得excel文件内容
    public static String getXLSContent(File f) throws IOException {
        StringBuffer content = new StringBuffer(2000);
        InputStream is = new FileInputStream(f);
        HSSFWorkbook workbook = new HSSFWorkbook(is);// 创建对Excel工作簿文件的引用
        for (int numSheets = 0; numSheets < workbook.getNumberOfSheets(); numSheets++) {
            if (null != workbook.getSheetAt(numSheets)) {
                HSSFSheet aSheet = workbook.getSheetAt(numSheets);// 获得一个sheet
                for (int rowNumOfSheet = 0; rowNumOfSheet <= aSheet.getLastRowNum(); rowNumOfSheet++) {
                    if (null != aSheet.getRow(rowNumOfSheet)) {
                        HSSFRow aRow = aSheet.getRow(rowNumOfSheet); // 获得一个行
                        Iterator<Cell> cells = aRow.cellIterator();
                        while (cells.hasNext()) {
                            HSSFCell aCell = (HSSFCell) cells.next();
                            content.append(aCell.getStringCellValue());
                        }
                    }
                }
            }
        }
        is.close();
        return content.toString();
    }
    
    // 获得ppt文件内容
    public static String getPPTContent(File f) throws IOException {
        StringBuffer content = new StringBuffer(2000);
        InputStream is = new FileInputStream(f);
        SlideShow ss = new SlideShow(new HSLFSlideShow(is));// is
        // 为文件的InputStream，建立SlideShow
        Slide[] slides = ss.getSlides();// 获得每一张幻灯片
        for (int i = 0; i < slides.length; i++) {
            TextRun[] t = slides[i].getTextRuns();// 为了取得幻灯片的文字内容，建立TextRun
            for (int j = 0; j < t.length; j++) {
                content.append(t[j].getText());// 这里会将文字内容加到content中去
            }
            content.append(slides[i].getTitle());
        }
        is.close();
        return content.toString();
    }
    
    // 获得pdf文件内容
    public static String getPDFContent(File f) throws IOException {
        String content = "";
        PDDocument pdfdocument = PDDocument.load(f);
        PDFTextStripper stripper = new PDFTextStripper();
        content = stripper.getText(pdfdocument);
        pdfdocument.close();
        return content;
    }
    
    // 获得txt文件内容
    public static String getTXTContent(File f) throws IOException {
        StringBuffer content = new StringBuffer(2000);
        FileReader fr = new FileReader(f);
        BufferedReader bf = new BufferedReader(fr);
        String line = null;
        while ((line = bf.readLine()) != null) {
            content.append(line);
        }
        return content.toString();
    }
    
    //根据MINE类型获得名称
    public static String getContentTypeName(String contentType) {
        String contentTypeName = "";
        if (contentType == null) {
            return "";
        }
        if (contentType.equals("text/plain")) {
            contentTypeName = "文本文件";
        } else if (contentType.equals("text/html")) {
            contentTypeName = "HTML 文档";
        } else if (contentType.equals("application/msword")) {
            contentTypeName = "Word 文档";
        } else if (contentType.equals("application/x-mspowerpoint")) {
            contentTypeName = "PowerPoint 演示文稿";
        } else if (contentType.equals("application/x-msexcel")) {
            contentTypeName = "Excel 工作表";
        } else if (contentType.equals("application/pdf")) {
            contentTypeName = "PDF 文档";
        } else {
            contentTypeName = "其它类型";
        }
        return contentTypeName;
    }
    
    public static void main(String args[]) {
        try {
            String path = "D:\\java\\tomcat-6.0.20\\webapps\\orient\\upload\\doc\\52.pdf";
            File f = new File(path);
            String content = getPDFContent(f);
            System.out.println(content);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
}
